MODOAO Carbon Monoxide Alarm with Voice Warning ,CO Alarm Detector with Digital Display-4 Pack
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<b>[Product Information]</b><br>
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<li>A great item for protecting your family from the dangers of Carbon Monoxide.</li>
<li>It is equipped with precise electro-optical sensor, high consistency and stability, move, or in the same place for that and loud enough.</li>
<li>Alarm Sensitivity Setting: 50ppm, alert within 60 to 90 minutes; 100ppm, alert within 10 to 40 minutes; 300ppm, alert within 3 minutes. Note: When you test the detector, please do not use gas blow the hole directly.</li>
<li>When a Dangerous level of Carbon Monoxide is detected, the red LED will flashes and a loud alarm pattern will sound, Loud 85 decibel alarm with LED Flash While in the Alarm Mode for the Life-Saving Safety.</li>
<li>Power Source: Operated by 3 x 1.5V AA Batteries (not included).</li>
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